CN219641559U - Monitoring system of fermentation period based on alcohol and electrochemical detection - Google Patents
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000000835 electrochemical detection Methods 0.000 title claims abstract description 43
- 238000000855 fermentation Methods 0.000 title claims abstract description 34
- 230000004151 fermentation Effects 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 239000002253 acid Substances 0.000 claims abstract description 9
- 150000002148 esters Chemical class 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
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- 230000005518 electrochemistry Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 238000004458 analytical method Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
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- 238000003909 pattern recognition Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
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Abstract
本实用新型涉及黄水检测领域，为了提供一种实现发酵期自动判断的装置，提供了基于酒精及电化学检测的发酵期监测系统，包括：酒精度检测模块：用于检测样品中的酒精含量；电化学检测模块：用于检测样品中的总酸、总酯及醇类含量；控制模块：用于存储和执行发酵期判断程序；所述酒精度检测模块与电化学检测模块均与控制模块信号连接。上述结构可以用于实现发酵期自动判断。
The utility model relates to the field of yellow water detection. In order to provide a device for automatically judging the fermentation period, a fermentation period monitoring system based on alcohol and electrochemical detection is provided, including: an alcohol degree detection module: used to detect the alcohol content in a sample ; Electrochemical detection module: used to detect the total acid, total ester and alcohol content in the sample; control module: used to store and execute the fermentation period judgment program; the alcohol detection module and the electrochemical detection module are both connected with the control module signal connection. The above structure can be used to realize the automatic judgment of the fermentation period.
Description
技术领域technical field
本实用新型涉及黄水检测领域，具体是一种基于酒精及电化学检测的发酵期监测系统。The utility model relates to the field of yellow water detection, in particular to a fermentation period monitoring system based on alcohol and electrochemical detection.
背景技术Background technique
在白酒发酵过程中，为了获知窖内状况，需要采样发酵过程中窖池渗出的黄水，通过对黄水进行分析以确定发酵所处周期。During the liquor fermentation process, in order to know the conditions in the cellar, it is necessary to sample the yellow water seeping out of the cellar during the fermentation process, and analyze the yellow water to determine the cycle of fermentation.
传统的黄水分析设备是在实验室中进行的，其方法是手工吸取样本黄水到试剂瓶，然后把试剂瓶带到实验室，通过一些手工操作如过滤、萃取、纯化等获得检测试样，然后利用通用的化学分析设备如分光光度计、密度计、比色计、电化学工作站、色谱等分别获得试样的酒精度参数，以及酸、酯等参数；然后将获得的这些参数通过实验人员手工记录后形成报表，提供给工艺控制进行参考。这里面存在着这样几个问题：The traditional yellow water analysis equipment is carried out in the laboratory. The method is to manually draw the sample yellow water into the reagent bottle, and then bring the reagent bottle to the laboratory, and obtain the test sample through some manual operations such as filtration, extraction, purification, etc. , and then use general-purpose chemical analysis equipment such as spectrophotometer, density meter, colorimeter, electrochemical workstation, chromatography, etc. to obtain the alcohol parameters of the sample, as well as parameters such as acids and esters; After manual recording by personnel, a report is formed, which is provided for process control for reference. There are several problems here:
1.分析是传统的实验化学分析过程，具有复杂的前制样环节，严重依赖于操作人员的熟练度，分析的效率低、分析时间长、结果时效性不强，且结果因不同人员操作而导致较大波动，很难满足自动控制的要求；1. Analysis is a traditional experimental chemical analysis process, which has complex pre-sample preparation links, which is heavily dependent on the proficiency of the operator. The efficiency of the analysis is low, the analysis time is long, and the timeliness of the results is not strong, and the results vary due to the operation of different personnel. Large fluctuations are caused, and it is difficult to meet the requirements of automatic control;
2.黄水是发酵过程的中间产物，它是非常复杂的混合体系，黄水中包含了各种生物化学成分如酒精度、酸、酯、醛、糖、淀粉、无机盐等，这些成分相互影响的结果，导致很难对这种复杂体系进行分类。而传统分析一个设备只能获得一种或一类参数，这些参数相互之间互不关联，只能靠人工进行数据综合判断，数据利用率并不高，进而影响检测结果的准确性。2. Yellow water is an intermediate product of the fermentation process. It is a very complex mixed system. Yellow water contains various biochemical components such as alcohol, acid, ester, aldehyde, sugar, starch, inorganic salt, etc. These components affect each other As a result, it is difficult to classify this complex system. However, the traditional analysis of a device can only obtain one or one type of parameters. These parameters are not related to each other and can only be judged manually. The data utilization rate is not high, which will affect the accuracy of the test results.
实用新型内容Utility model content
为了提供一种实现发酵期自动判断的装置，本申请提供了一种基于酒精及电化学检测的发酵期监测系统。In order to provide a device for automatically judging the fermentation period, the present application provides a fermentation period monitoring system based on alcohol and electrochemical detection.
本实用新型解决上述问题所采用的技术方案是：The technical solution adopted by the utility model to solve the above problems is:
基于酒精及电化学检测的发酵期监测系统，包括：A fermentation period monitoring system based on alcohol and electrochemical detection, including:
酒精度检测模块：用于检测样品中的酒精含量；Alcohol detection module: used to detect the alcohol content in the sample;
电化学检测模块：用于检测样品中的总酸、总酯及醇类含量；Electrochemical detection module: used to detect the content of total acid, total ester and alcohol in the sample;
控制模块：用于存储和执行发酵期判断程序；Control module: used to store and execute the fermentation period judgment program;
所述酒精度检测模块与电化学检测模块均与控制模块信号连接。Both the alcohol detection module and the electrochemical detection module are connected to the control module for signals.
进一步地，所述酒精度检测模块包括光源、检测棱镜、样品池及光信号传感器，光源通过检测棱镜照射样品池，光信号传感器接收检测棱镜反射的光，光信号传感器与控制模块信号连接。Further, the alcohol level detection module includes a light source, a detection prism, a sample pool and an optical signal sensor, the light source illuminates the sample pool through the detection prism, the optical signal sensor receives the light reflected by the detection prism, and the optical signal sensor is connected to the control module.
进一步地，所述电化学检测模块包括电化学检测池、三电极电化学传感器及信号处理模块，所述三电极电化学传感器包括参比电极、工作电极及辅助电极，所述三电极电化学传感器设置在电化学检测池中，且与信号处理模块信号连接，信号处理模块与控制模块连接。Further, the electrochemical detection module includes an electrochemical detection cell, a three-electrode electrochemical sensor and a signal processing module, the three-electrode electrochemical sensor includes a reference electrode, a working electrode and an auxiliary electrode, and the three-electrode electrochemical sensor It is arranged in the electrochemical detection pool, and is connected to the signal processing module, and the signal processing module is connected to the control module.
进一步地，还包括过滤器，所述酒精度检测模块与电化学检测模块均与过滤器连接。Further, a filter is also included, and the alcohol detection module and the electrochemical detection module are both connected to the filter.
进一步地，还包括蠕动泵，所述蠕动泵与过滤器连接。Further, a peristaltic pump is also included, and the peristaltic pump is connected with the filter.
进一步地，还包括数据集线器，所述酒精度检测模块与电化学检测模块均通过数据集线器与控制模块信号连接。Further, a data hub is also included, and the alcohol level detection module and the electrochemical detection module are both signal-connected to the control module through the data hub.
本实用新型相比于现有技术具有的有益效果是：通过一体化设计，利用设备中的酒精度检测模块和电化学检测模块，可以并行采集黄水中的酒精度含量和电化学总酸、总酯及醇类含量，在控制模块中自动传输到基于人工智能大数据的多特征发酵期判断程序即可完成发酵期自动判断，与传统的单特征方法相比，本设备集成实现了黄水酒精度和电化学参数的并行实时检测，并能在多特征基础上比以前的单特征法实现对黄水发酵期更快速准确的分析，同时在此过程中减少了检测过程中的人工操作，为发酵过程工艺自动控制的实现提供了更便捷、更准确的自动化分析设备支撑。Compared with the prior art, the utility model has the beneficial effects that: through the integrated design, the alcohol content in the yellow water and the electrochemical total acid and total acid can be collected in parallel by using the alcohol detection module and the electrochemical detection module The content of esters and alcohols is automatically transmitted in the control module to the multi-featured fermentation period judgment program based on artificial intelligence big data to complete the automatic judgment of the fermentation period. Compared with the traditional single-feature method, this equipment integration realizes yellow water alcohol Parallel real-time detection of temperature and electrochemical parameters, and can achieve faster and more accurate analysis of the yellow water fermentation period on the basis of multiple features than the previous single-feature method. At the same time, the manual operation in the detection process is reduced in the process. The realization of the automatic control of the fermentation process provides more convenient and accurate automatic analysis equipment support.
附图说明Description of drawings
图1为基于酒精及电化学检测的发酵期监测系统示意图；Fig. 1 is the schematic diagram of the fermentation stage monitoring system based on alcohol and electrochemical detection;
附图说明：1、发酵池，2、黄水输送管道，3、光信号传感器，4、光源，5、检测棱镜，6、样品池，7、电池阀，8、三电极电化学传感器，9、中控计算机，10、电化学参数传输线，11、酒精度传输线，12、信号处理模块，13、过滤器，14、电化学检测池，15、蠕动泵。Description of drawings: 1. Fermentation tank, 2. Yellow water delivery pipeline, 3. Optical signal sensor, 4. Light source, 5. Detection prism, 6. Sample tank, 7. Battery valve, 8. Three-electrode electrochemical sensor, 9 1. Central control computer, 10. Electrochemical parameter transmission line, 11. Alcohol content transmission line, 12. Signal processing module, 13. Filter, 14. Electrochemical detection cell, 15. Peristaltic pump.
具体实施方式Detailed ways
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合实施例，对本实用新型进行进一步的详细说明。应当理解，此处所描述的具体实施例仅用以解释本实用新型，并不用于限定本实用新型。In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.
基于酒精及电化学检测的发酵期监测系统，包括：A fermentation period monitoring system based on alcohol and electrochemical detection, including:
酒精度检测模块：用于检测样品中的酒精含量；Alcohol detection module: used to detect the alcohol content in the sample;
电化学检测模块：用于检测样品中的总酸、总酯及醇类含量；Electrochemical detection module: used to detect the content of total acid, total ester and alcohol in the sample;
控制模块：用于存储和执行发酵期判断程序；Control module: used to store and execute the fermentation period judgment program;
所述酒精度检测模块与电化学检测模块均与控制模块信号连接。Both the alcohol detection module and the electrochemical detection module are connected to the control module for signals.
具体的，所述酒精度检测模块包括光源、检测棱镜、样品池及光信号传感器，光源通过检测棱镜照射样品池，光信号传感器接收检测棱镜反射的光，光信号传感器与控制模块信号连接。Specifically, the alcohol level detection module includes a light source, a detection prism, a sample pool and an optical signal sensor, the light source illuminates the sample pool through the detection prism, the optical signal sensor receives the light reflected by the detection prism, and the optical signal sensor is connected to the control module for signals.
所述电化学检测模块包括电化学检测池、三电极电化学传感器及信号处理模块，所述三电极电化学传感器包括参比电极、工作电极及辅助电极，所述三电极电化学传感器设置在电化学检测池中，且与信号处理模块信号连接，信号处理模块与控制模块连接。The electrochemical detection module includes an electrochemical detection cell, a three-electrode electrochemical sensor and a signal processing module, and the three-electrode electrochemical sensor includes a reference electrode, a working electrode and an auxiliary electrode, and the three-electrode electrochemical sensor is arranged on the electrode The chemical detection pool is connected to the signal processing module, and the signal processing module is connected to the control module.
进一步地，还包括过滤器，所述酒精度检测模块与电化学检测模块均与过滤器连接。Further, a filter is also included, and the alcohol detection module and the electrochemical detection module are both connected to the filter.
进一步地，还包括蠕动泵，所述蠕动泵与过滤器连接。Further, a peristaltic pump is also included, and the peristaltic pump is connected with the filter.
进一步地，还包括数据集线器，所述酒精度检测模块与电化学检测模块均通过数据集线器与控制模块信号连接。Further, a data hub is also included, and the alcohol level detection module and the electrochemical detection module are both signal-connected to the control module through the data hub.
实施例Example
如图1所示，在本实施例中，采用黄水输送管道2将基于酒精及电化学检测的发酵期监测系统与发酵池1进行连接，由于直接从发酵池1中取出的黄水中含有较多杂质，因此需要先使用过滤器13对黄水进行过滤，将过滤后的黄水用于酒精检测及电化学检测。在过滤器13前端还可以设置蠕动泵15以避免管道堵塞。As shown in Figure 1, in the present embodiment, the fermentation period monitoring system based on alcohol and electrochemical detection is connected with the fermentation tank 1 by using the yellow water delivery pipeline 2, because the yellow water directly taken out from the fermentation tank 1 contains relatively high There are many impurities, so the filter 13 needs to be used to filter the yellow water first, and the filtered yellow water is used for alcohol detection and electrochemical detection. A peristaltic pump 15 can also be arranged at the front end of the filter 13 to avoid pipeline blockage.
在本实施例中，酒精度检测模块包括光源4、检测棱镜5、样品池6及光信号传感器3，光信号传感器3采用CCD传感器，光源4通过检测棱镜5照射样品池6，光信号传感器3接收检测棱镜5反射的光，光信号传感器3与控制模块信号连接。In this embodiment, the alcohol detection module includes a light source 4, a detection prism 5, a sample pool 6 and an optical signal sensor 3, the optical signal sensor 3 adopts a CCD sensor, the light source 4 illuminates the sample pool 6 through the detection prism 5, and the optical signal sensor 3 Receiving the light reflected by the detection prism 5, the light signal sensor 3 is connected to the control module by signal.
酒精度检测原理如下：The principle of alcohol detection is as follows:
根据光的折射定律，当光线通过两种不同介质的分界面时，光的传播方向发生了改变，其改变的程度依从如下关系：According to the law of refraction of light, when light passes through the interface between two different media, the propagation direction of light changes, and the degree of change follows the following relationship:
式中：ai-光线的入射角，在检测棱镜一侧；ar-光线的折射角，在溶液一侧；ni-检测棱镜的折射率；nr-检测溶液的折射率。In the formula: a i - incident angle of light, on the side of the detection prism; a r - refraction angle of light, on the side of the solution; n i - refractive index of the detection prism; n r - refractive index of the detection solution.
不同介质的临界面上，光线从光密介质进入光疏介质时，折射角大于入射角，当入射角的角度逐渐变大，直到折射光线从临界面上掠过，此时的入射角就是临界角ac，即：On the critical surface of different media, when the light enters the optically sparse medium from the denser medium, the angle of refraction is greater than the angle of incidence. When the angle of incidence gradually increases until the refracted light passes the critical surface, the angle of incidence at this time is the critical Angle a c , namely:
当ai>ac时，光线就会在临界面上产生全反射，通过对光线进行一定的处理之后，由光信号传感器接收到反射光线，通过光信号传感器输出信号得到反射光线角度大小，从而计算得到折射率，不同浓度的酒溶液对应着不同的折射率，根据折射率即可检测出酒精度。When a i > a c , the light will be totally reflected on the critical surface. After a certain processing of the light, the reflected light will be received by the light signal sensor, and the angle of the reflected light will be obtained through the output signal of the light signal sensor, so that Calculate the refractive index, different concentrations of wine solutions correspond to different refractive indices, and the alcohol content can be detected according to the refractive index.
电化学检测模块包括电化学检测池14、三电极电化学传感器8及信号处理模块12，所述三电极电化学传感器8包括参比电极、工作电极及辅助电极，所述三电极电化学传感器8设置在电化学检测池14中，且与信号处理模块12信号连接，信号处理模块12与控制模块连接。The electrochemical detection module includes an electrochemical detection cell 14, a three-electrode electrochemical sensor 8 and a signal processing module 12, and the three-electrode electrochemical sensor 8 includes a reference electrode, a working electrode and an auxiliary electrode, and the three-electrode electrochemical sensor 8 It is arranged in the electrochemical detection cell 14, and is connected with the signal processing module 12, and the signal processing module 12 is connected with the control module.
三电极电化学传感器包含工作电极(WE)、参比电极(RE)和辅助电极(AE)。WE的作用是在电极表面产生化学反应；RE在没有电流通过的前提下，用来维持工作电极与参比电极间电压的恒定，AE用来输出反应产生的电流信号，由信号处理模块实现电流信号的转换和放大，通过检测该电流信号即可实现对总酸、总酯、醇类物质进行检测。A three-electrode electrochemical sensor consists of a working electrode (WE), a reference electrode (RE) and an auxiliary electrode (AE). The function of WE is to generate a chemical reaction on the electrode surface; RE is used to maintain a constant voltage between the working electrode and the reference electrode under the premise of no current passing through, and AE is used to output the current signal generated by the reaction, and the signal processing module realizes the current The conversion and amplification of the signal can realize the detection of total acids, total esters and alcohols by detecting the current signal.
在本实施例中，控制模块采用中控计算机9，酒精度检测模块通过酒精度传输线11与数据集线器连接，电化学检测模块通过电化学参数传输线10与数据集线器连接，数据集线器与中控计算机9信号连接。在中控计算机9自动读取并行检测的黄水酒精度和电化学参数，通过人工智能大数据分析，综合光谱吸光度数据和电化学数据，采用多特征神经网络模式识别分类算法即可完成发酵期自动判断，具体的多特征神经网络模式识别分类算法不是本申请的发明点，在此不再赘述。为了便于获取或排出样液，本实施例在过滤器13前后、电化学检测池14及样品池6上均设置有电池阀7。In the present embodiment, the control module adopts the central control computer 9, the alcohol content detection module is connected with the data hub through the alcohol content transmission line 11, the electrochemical detection module is connected with the data hub through the electrochemical parameter transmission line 10, and the data hub is connected with the central control computer 9 signal connection. The central control computer 9 automatically reads the alcohol content and electrochemical parameters of yellow water detected in parallel. Through artificial intelligence big data analysis, the spectral absorbance data and electrochemical data are integrated, and the multi-feature neural network pattern recognition classification algorithm is used to complete the fermentation period. Automatic judgment, the specific multi-feature neural network pattern recognition and classification algorithm is not the invention point of this application, and will not be repeated here. In order to facilitate the acquisition or discharge of sample liquid, battery valves 7 are provided in front of and behind the filter 13 , on the electrochemical detection cell 14 and the sample cell 6 in this embodiment.
采用本申请的检测方式，具有以下优势：Adopting the detection method of the present application has the following advantages:
1.黄水检测的自动化。通过集成设备的采样前处理如进样、过滤、定量输送等环节，能够实现黄水采集的自动化、前处理标准化、数据的自动保存和自动上传，杜绝人工处理的差异，大大提高了检测的效率和准确性。1. Automation of yellow water detection. Through the pre-sampling processing of the integrated equipment, such as sample injection, filtration, quantitative transportation, etc., it can realize the automation of yellow water collection, standardization of pre-processing, automatic storage and automatic upload of data, eliminate the difference of manual processing, and greatly improve the efficiency of detection. and accuracy.
2.多特征数据并行采集与集成化。设备集成了两类不同数据采集分析模块，能够并行采集酒精度与电化学参数，相当于从两个不同维度同时观察分析黄水特征，相较传统的单一分析能够更全面地衡量黄水对象这种复杂混合物，为通过黄水综合分析来更准确地判断发酵期提供了依据。2. Parallel collection and integration of multi-feature data. The device integrates two different data acquisition and analysis modules, which can collect alcohol content and electrochemical parameters in parallel, which is equivalent to observing and analyzing the characteristics of yellow water from two different dimensions at the same time. Compared with the traditional single analysis, it can more comprehensively measure the characteristics of yellow water objects. This complex mixture provides a basis for more accurately judging the fermentation period through comprehensive analysis of yellow water.
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